[1]闫君,李险峰,王进,等.99Tcm-二亚乙基三胺五乙酸肾动态显像对兔单侧急性上尿道梗阻的应用研究[J].国际放射医学核医学杂志,2008,32(6):343-346.
　YAN Jun,LI Xian-feng,WANG Jin,et al.The value of dynamic renal 99Tcm-diethylene triamine penta acetic acid imaging in rabbits with acute upper urinary tract obstruction[J].International Journal of Radiation Medicine and Nuclear Medicine,2008,32(6):343-346.
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99Tcm-二亚乙基三胺五乙酸肾动态显像对兔单侧急性上尿道梗阻的应用研究(/HTML)
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《国际放射医学核医学杂志》[ISSN:1673-4114/CN:12-1381/R]

卷:
32
期数:
2008年第6期
页码:
343-346
栏目:
临床核医学
出版日期:
1900-01-01

文章信息/Info

Title:
The value of dynamic renal 99Tcm-diethylene triamine penta acetic acid imaging in rabbits with acute upper urinary tract obstruction
作者:
闫君1;  李险峰1;  王进1;  武志峰2;  李思进1;  刘建中1;  程艳1
1. 030001 太原, 山西医科大学第一医院核医学科;
2. 030001 太原, 山西医科大学第一医院放射科
Author(s):
YAN Jun1;  LI Xian-feng1;  WANG Jin1;  WU Zhi-feng2;  LI Si-jin1;  LIU Jian-zhong1;  CHENG Yan1
1. Department of Nuclear Medkine, the First Hospital of Shanxi Medical University, Taiyuan 030001, China;
2. Deportmenl of Radiology, the First Hospital of Shanxi Medical University, Taiyuan 030001, China
关键词:
99m锝五乙酸盐; 尿道梗阻; 肾小球滤过率; 肾动态显像; 兔
Keywords:
Technetium Tc99m pentetate; Urethral obstruction; Glomerular filtration rate; Renal dynamic imaging; Rabbits
摘要:
目的 应用99Tcm-二亚乙基三胺五乙酸(99Tcm-DTPA)肾动态显像观察兔单侧急性上尿道梗阻不同时期肾功能的变化以及与梗阻解除后恢复状况的比较。方法 健康家兔24只,手术制作左侧输尿管完全梗阻模型,术前及术后1周均行基础99Tcm-DTPA肾动态显像。选择梗阻后1周、3周、5~7周和8周以上不同时间点解除梗阻,并行99Tcm-DTPA利尿肾动态显像(利尿显像)。结果 兔左侧输尿管形成梗阻后1周和3周,利尿显像可见左肾显影,但左肾肾小球滤过率(GFR)、摄取率降低,达峰时间延长,与术前比较有显著性差异(t=2.916,t=7.034,P<0.01)。梗阻5~7周后,左侧肾脏仅见皮质显影,左肾GFR、摄取率明M降低,达峰时间明显延长,与术前比较有显著性差异(t=6.722,t=7.470,t=3.678,P<0.01),梗阻后8周以上,未见明显肾皮质影像,无法进行图像分析。利尿显像承梗阻1~3周后解除梗阻4周观察到左肾GFR为31.23±14.4(t=2.627,P<0.05),摄取率为4.09±2.10(t=2.795,P<0.05),与解除梗阻前相比功能基本恢复；达峰时间与解除梗阻前无显箸差异(t=435,P>0.05)。梗阻5~7周后解除梗阻4周时左肾GFR、摄取率部分恢复,与解除梗阻前相比无显著差异。梗阻8周以上再解除梗阻,肾功能无法恢复。结论 急性单侧上尿道完全梗阻后肾功能降低迅速,以早期最为显著,早期梗阻解除后肾功能恢复明显。晚期梗阻,即使解除梗阻肾功能也不易恢复。99Tcm-DTPA肾动态显像方法是评价肾功能恢复的有效手段。
Abstract:
Objective To research the degression of renal function of 99Tcm-diethylene triamine pentaaceticacid(99Tcm-DTPA) renal imaging in rabbits with acute upper urinary tract obstruction and its early recovery after relief. Methods Twenty-four health rabbit models with left acute upper urinary tract obstruction were built up. 99Tcm-DTPA renal imaging was performed before making model and after obstruction 1, 3, 5-7 and more than 8 weeks respectively and 4 weeks after relief of obstruction. Results After obstnrction 1 and 3 weeks, 99Tcm-DTPA imaging showed development in left renal. Values of glomerular filtration rate(GPH) and uptake ratio decreased, while time to rcach the peak increased. These are obviusly different compared with those before obstruction(t=2.916, t=7.034, P<0.01). Affer obstruction 5-7 weeks, 99Tcm-DTPA imagingshowed cortex developert. Values of GFR and uptake ratio decreased obvious, while time to reach the peak increased obviously. These are obviously different cempaved with those before obstruction(t=6.722, t=7.470, t=3.678, P<0.01). Affer obstruction more than 8 weeks, 99Tcm-DTPA imaging showed no obvious development. In those rabbits with durations of 1-3 weeks obstructions, the renal function could almost recover within 4 weeks after relief of obstruction. GRF is 31.23±14.4(t=2.627, P<0.05), uptake ratio is 4.09±2.10(t=2.795, P<0.05). The time to reack the peak showed no obvious diflerence(t=1.435, P>0.05). With obstruction of 5-7 weeks, the GRF and uptake ratio, could recover partly to some extent. But with obstruction for more than 8 weeks, the renal function could not recover. Conclusions For the acute upper urinary tract obstruction, the renal function is most remarkable decreased in the early time, and can be restored after relief. For long time obstruction, even if relieved, the renal function is not easily to restore. The dynamic renal imaging can reflect the extent of the renal damage and its recovery, and could be used as a reliable indicator.

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备注/Memo

备注/Memo:
收稿日期:2008-08-07。
通讯作者:李险峰(E-mail:lixianfeng-lxf@263.net)
更新日期/Last Update: 1900-01-01